openvpn/helm/values.yaml

# Image registry secret. Required if authorization is needed on registry access. 
# Value of $(base64 ~/.docker/config.json).
# For more info see https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/
# registry_secret_data: 

# Settings for main openvpn deployment
openvpn:
  image: "jcr.infoclinica.ru/sys/openvpn-rsa"
  tag: "200207025"
  pullPolicy: IfNotPresent

#  podAnnotations:
  resources:
    limits:
      cpu: 350m
      memory: 50Mi
    requests:
      cpu: 350m
      memory: 50Mi
  # Openvpn config file
  configuration: |-
    dev             openvpn-tun
    dev-type        tun
    port            1194
    proto           udp
    verb            3
    status /var/log/openvpn-status.log
    management localhost 7505
    keepalive       10 120
    persist-key
    persist-tun
    comp-lzo       yes
    push comp-lzo  yes
    topology subnet
    mssfix
    server  10.100.0.0 255.255.0.0
    crl-verify /etc/openvpn/keys/crl.pem
    client-config-dir /etc/openvpn/ccd
    ccd-exclusive
    ca              /etc/openvpn/keys/ca.crt
    cert            /etc/openvpn/keys/server.crt
    key             /etc/openvpn/keys/server.key

  # Openvpn keys
  keys:
    ca.crt: |-
      -----BEGIN CERTIFICATE-----
      -----END CERTIFICATE-----
    server.crt: |-
      -----BEGIN CERTIFICATE-----
      -----END CERTIFICATE-----
    server.key: |-
      -----BEGIN PRIVATE KEY-----
      -----END PRIVATE KEY-----
    crl.pem: |-
      -----BEGIN X509 CRL-----
      -----END X509 CRL-----

  # Openvn deployment scripts
  scripts:
    # Initscript, executed by dedicated initialization container, main purpose - set firewall rules, or some similar, before openvpn start.
    initscript: |-
      #!/bin/bash
      iptables -I FORWARD 1 -m state --state NEW -s 10.100.10.0/24 -i openvpn-tun -j DROP
      iptables -I FORWARD 1 -m state --state NEW -s 10.100.10.0/24 -d 192.168.205.10 -i openvpn-tun -j ACCEPT
      iptables -I INPUT 1 -m state --state NEW -s 10.100.10.0/24 -i openvpn-tun -j DROP
      iptables -I INPUT 1 -m state --state NEW -s 10.100.10.0/24 -d 217.74.42.72 -i openvpn-tun -j ACCEPT
    # Main openvpn container startup script, aka ENTRYPOINT
    startscript: |-
      #!/bin/bash
      mkdir /dev/net
      mknod /dev/net/tun c 10 200
      exec "/usr/sbin/openvpn" "--config" "/etc/openvpn/configuration/openvpn.conf"
    # Stop script, executed by separate container on Pod termination.
    stopscript: |-
      #!/bin/bash
      iptables -D FORWARD -m state --state NEW -s 10.100.10.0/24 -i openvpn-tun -j DROP
      iptables -D FORWARD -m state --state NEW -s 10.100.10.0/24 -d 192.168.205.10 -i openvpn-tun -j ACCEPT
      iptables -D INPUT -m state --state NEW -s 10.100.10.0/24 -i openvpn-tun -j DROP
      iptables -D INPUT -m state --state NEW -s 10.100.10.0/24 -d 217.74.42.72 -i openvpn-tun -j ACCEPT
    # The health check script
    healthcheck: |-
      #!/bin/bash
      # ping something, or check connection status on port 7505


# Inbound IP and port
# ip, port and protocol for loadbalancer service, in case it's a server
inbound_IP: 10.1.2.3
# must be same, as port in openvpn config
inbound_port: 1194
# must be same, as proto in openvpn config
inbound_proto: UDP

# Openvpn settings, musb be the same, as in config, used in router daemonset
dev_name: openvpn-tun
net: 10.100.0.0
mask: 255.255.0.0

# CCD configmap
ccd:
  client: ifconfig-push 10.100.10.2 255.255.0.0
  someclient: |-
    ifconfig-push 10.100.10.3 255.255.0.0
    iroute 192.168.250.0 255.255.255.0

# Router container
router:
  image: "jcr.infoclinica.ru/sys/kubectl"
  tag: "1.18.9-3"
  pullPolicy: IfNotPresent
  resources:
    limits:
      cpu: 50m
      memory: 50Mi
    requests:
      cpu: 50m
      memory: 50Mi